Abstract
In the present study, the experiments were investigated with the effecting of NaHCO3, KH2PO4, K2HPO4 and Sodium ascorbate on survival of Lactobacillus acidophilus during freeze-drying. Designing different concentrations of protective agents, respectively. The survival ratio of Lactobacillus acidophilus and the number of viable cells will be measured after completing drying. In the process, there were major differences between the different concentrations of protective agents in survival during freeze-drying. As the result, the protective agent was playing a key factor affecting the survival of Lactobacillus acidophilus. At present in the study of the experiments, the highest survival rate was NaHCO3 as the protective agent, and when the protective agent as K2HPO4 the number of viable cells was largest.
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